Get Infotainment system -> Radio Guide for Audi A4 4 Door Fifth Generation (2016-2025)

Warm and cold

– Only use the seat heating when the seat sur-

face is dry.

For the sake of the environment

Energy can be saved by turning off the A/C

mode.

– Only put dry items on the seat surfaces.

– Do not spill liquids on the seat surfaces.

– Covering the seat surfaces can impair the

function of the seat heating. Do not use pro-

tective seat covers and do not put items

(such as jackets, blankets, or bags) on the

seat surfaces when the seat heating is on.

– Make sure others in the vehicle know how to

use the seat heating safely.

Tips

If the front passenger's seat heating is turned

on, it will not turn on again automatically if

more than 10 minutes have passed between

turning off the ignition and turning it on

again.

Operating in the rear

Fig. 94 3-zone deluxe automatic climate control system: controls

Auto recirculation

The vent in the center console can be opened and

closed with the thumbwheel. The levers adjust

the direction of the airflow from the vents.

This function will automatically operate the recir-

culation mode if air pollution is detected ð in

Operating in the cockpit on page 95.

The temperature can be selected using the and

buttons 1 . Depending on the vehicle equip-

ment, the temperature of the seat heating can be

set at various levels. Press the  button once to

turn on the highest level ð in Operating in the

cockpit on page 95. Press the  button again to

decrease the temperature one level at a time.

The seat heating is off when all of the LEDs are

off.

Steering wheel heating

Turning on or off

Applies to: vehicles with steering wheel heating

►

Press the  button on the multifunction steer-

ing wheel to turn the steering wheel heating on

or off.

Additional settings

Fluids in the A/C system

You can adjust additional settings.

Refrigerant in the A/C system

►

Applies to MMI: Select on the home screen: VE-

HICLE > Air conditioning.

The sticker in the engine compartment provides

information about the type and amount of



Warm and cold

refrigerant used in the vehicle’s A/C system. The

sticker is located in the front section of the en-

gine compartment or at the front or back of the

hood.

– The refrigerant can create toxic vapors when

it comes in contact with hot surfaces. To re-

duce the risk of serious injuries or death, do

not inhale these vapors.

Symbol Meaning

Tips

Warning: the A/C system must only

– Never repair the A/C system evaporator with

components from old vehicles or from recy-

cling.



be serviced by qualified technicians.

Refrigerant type



– New replacement evaporators for portable

A/C systems must be certified and labeled

as such, so that they comply with the SAE

standard J2842 HFO-1234yf and R744.

Refrigerant oil type

Refer to the service information

(only available to authorized Audi



dealers or authorized Audi Service

Facilities)

The A/C system must only be serv-



iced by qualified technicians.

Flammable refrigerant



Make sure all components are dis-

posed of correctly and never install

components in the vehicle that have

been removed from old vehicles or



taken from recycling.

Refrigerant oil in the A/C system

The sticker in the engine compartment provides

information about the type and amount of refrig-

erant oil used in the vehicle’s A/C system. For in-

formation about the amount of refrigerant oil

used, contact an authorized Audi dealer or au-

thorized Audi Service Facility.

WARNING

The climate control system may only be serv-

iced by qualified and certified technicians who

have been trained according to the country-

specific standards, for example SAE standards

J2845 and J2911.

– Refrigerant is flammable. Keep the vehicle

away from open flames, sparks, and other

ignition sources to reduce the risk of serious

injuries or death.

– The refrigerant is under pressure and can ex-

plode if heated, which increases the risk of

serious injuries or death.

Driving

Turning on or off

Driving

If you would like to only turn the ignition on or

off without starting the engine, follow these

steps:

Starting the vehicle

Convenience key

Applies to: vehicles with convenience key

START ENGINE STOP

►

Press the

button without

pressing the brake pedal.

Turning off the ignition automatically

To prevent the vehicle battery from draining, the

ignition and possibly the exterior lighting may

turn off automatically.

Requirements:

– The Start/Stop system must have stopped the

engine.

Fig. 95 Center console: starting the engine

– You must have left the vehicle for longer than

30 seconds.

Requirement: the key must be in the vehicle.

– The ignition must be turned on.

Starting the engine

Among other indicators, the system detects that

you have left the vehicle based on the following

factors:

►

Press and hold the brake pedal.

START ENGINE STOP

►

Press the

button. The en-

gine will start.

– The driver's door has been opened.

Equipment that uses a lot of electricity is turned

off temporarily when you start the engine. If the

engine does not start immediately, the starting

procedure stops automatically after a short time.

If this is the case, repeat the starting procedure

after approximately 30 seconds.

– The driver's safety belt has been unbuckled.

– The brake pedal is not being pressed.

The ignition will also be turned off after 30 mi-

nutes or if you lock the vehicle from the outside.

WARNING

Stopping the engine

– To reduce the risk of asphyxiation, never al-

low the engine to run in confined spaces.

– Never turn off the engine before the vehicle

has come to a complete stop and the “P” po-

sition is engaged. The full functionality of

the brake booster and power steering may

not be available. You would then need to use

more force to steer and brake the vehicle.

The fact that you cannot steer and brake as

usual may increase the risk of accidents and

serious injuries.

►

Bring the vehicle to a full stop.

START ENGINE STOP

►

Press the

button. The en-

gine will turn off.

Applies to: vehicles with steering lock: The steer-

ing is locked when you turn off the engine and

open the driver's door. The steering lock helps

prevent vehicle theft. The “P” position must be

engaged on vehicles with an automatic transmis-

sion.

– Secure the vehicle against rolling before ex-

iting the vehicle ðpage 99.

Stopping the engine in an emergency

If necessary in an emergency, the engine can also

be stopped while driving using the emergency off

function*.

Note

– Avoid high engine speed, full throttle, and

heavy engine load if the engine has not

START ENGINE STOP

►

Press the

button twice in



a row or press and hold it one time.

Infotainment system -> Radio for Your Audi A4 4 Door Fifth Generation (2016-2025)

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